Me (Danielle)
UU and CBS
Last year of my PhD
The pitch
Mobility surveys
What if we used sensors?
A mobile phone app!
Lessons
Participants participate
More (short) trips with the app
Short gaps? Interpolate!
Everybody hates long gaps
Danielle McCool
12/6/2021
UU and CBS
Last year of my PhD
Mobility surveys
What if we used sensors?
A mobile phone app!
Participants participate
More (short) trips with the app
Short gaps? Interpolate!
Everybody hates long gaps

| 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| id1 | 0.0 | 0.3 | 0.6 | 0.1 | 0.9 | 0.5 | 0.0 | 0.0 | 3.9 | 3.0 | 1.0 | 0.0 |
| id2 | 0.0 | 0.1 | 0.5 | 0.0 | 1.2 | 1.0 | 0.5 | 0.0 | 4.1 | 2.3 | 1.9 | 0.7 |
| id3 | 0.0 | 0.0 | 0.6 | 3.7 | 0.0 | 2.9 | 0.0 | 2.5 | 0.3 | 0.0 | 0.0 | 0.0 |
| id4 | 7.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.1 | 0.0 | 1.3 | 1.1 | 4.5 |
| id5 | 1.6 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 7.9 | 0.0 |
| id6 | 1.5 | 4.2 | 0.0 | 0.4 | 0.0 | 0.0 | 0.1 | 0.0 | 2.1 | 0.0 | 7.1 | 4.8 |
Distance of first 5 24-hour days.
Cum. distance in meters of first 5 24-hour days.
Cum. distance in meters of first 5 24-hour days.
Cum. distance in meters of first 2 24-hour days.
Cum. distance in meters of two days from one person.
Cum. distance in meters of two days from two different people.
Different distance weights provide different candidates
Different distance weights provide different candidates
Middle missingness
Radius of Gyration
Allowing time shifts
Evaluation criteria
Middle missingness
Radius of Gyration
Allowing time shifts
Evaluation criteria
Middle missingness
Radius of Gyration
Allowing time shifts
Evaluation criteria
Middle missingness
Radius of Gyration
Allowing time shifts
Evaluation criteria
Car vector created by vectorpocket - www.freepik.com School vector created by rawpixel.com - www.freepik.com